Recap of EOSS-103

LAUNCH DATE: 22-Apr-2006
LAUNCH TIME: 07:29:05 MDT (13:29:05 UTC)
LAUNCH SITE: Windsor, CO (Driving Directions)


Pre-flight Prediction and Actual Track

Blue = Actual Track
Green = Predicted Ascent Phase
Red = Predicted Descent Phase

Maps made with MapPoint
Prediction made with
Balloon Track

Launch Site - Windsor
-----------------------
   Launch Point: 40.4737° lat.   -104.9623° long.
           Grid: X=-22.43 Y=25.57
    Ascent Rate: 1000 feet per minute
   Descent Rate: 950 feet per minute
       Altitude: 4931 feet

Predicted Landing Site
-----------------------
  Landing Point: 40.6793° lat.  -103.8956° long.
           Grid: X=33.5 Y=39.8
       Altitude: 4500 feet
    Flight Time: 131 Minutes
        Bearing: 75.4° True
          Range: 57.7 Mi.

Actual Landing Site
-----------------------
  Landing Point: 40.6306° lat.  -103.8416° long.
           Grid: X=36.4 Y=36.4
        Bearing: 79.2° True
          Range: 59.784 Mi.

Difference from Predicted to Actual Landing Site
--------------------------------------------------
        Bearing: 139.9° True
          Range: 4.394 Mi.

EOSS Frequencies:

  • Beacon (Moved from 104)
  • APRS
    • 144.340 MHz
      • ID: KC0YA-11
      • DIGI: EOSS
      • Node: BALND2
      • APRS Time Slotted Every 30 seconds at 0:15 and 0:45
      • Telemetry once a minute

Flight Systems:

Balloon Manufacturer Kaysam
Balloon Type latex
Balloon Size 3000 gram
Payload 25.9 lbs
Free Lift % 15% - There was a hold of 13 min with the balloon 95% full and we saw the heat effect increase the lift. May have caused under fill. Lessons Learned
Weigh off weight 30.75 lbs. This is the weight of the sand bag used to fill against.
Ascent Rate 713.6 fpm average
Descent Rate 868.4 fpm average last few packets
Parachute 10 ft
Peak Altitude 89,410 ft. ASL
Launch Conditions calm

 


 

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